<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <link rel="stylesheet" href="./Button.css">
</head>

<body>
  <script class="scr_1" type="text/javascript" src="./Button.js">
  </script>

  <section>
    <button id = "btn" onclick="WhenClick()">Open</button>
    <button id = "btn2" onclick="WhenClick_2()">Recount</button>
    <div id = "ShowClickNum_bar" >0</div>
  </section>
</body>

</html>
